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3 years ago

Can -5 be written as a fraction?

Mathematics

2 answers:

mylen [45]3 years ago

3 0

Yes -5/1 would be the fraction

Ivahew [28]3 years ago

3 0

Answer:

yes

Step-by-step explanation:

Rule 8: You can express an integer as a fraction by simply dividing by 1, or you can express any integer as a fraction by simply choosing a numerator and denominator so that the overall value is equal to the integer.

I hope this helps.

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What’s the correct answer for this question?

erma4kov [3.2K]

Answer:

Step-by-step explanation:

Perpendicular => so it will have a slope of negative reciprocal to this slope

Slope = 2/3

Now

Point = (x,y) = (6,5)

So,

x = 6, y = 5

Substituting in the slope intercept form

5 = (2/3)(6)+b

5 = 4+b

=> b = 1

So, we have

m = 2/3

b = 1

Putting in the slope intercept equation

y = 2/3x+1

8 0

3 years ago

Which expression is not equivalent to 3 times a times r

Paladinen [302]

The last one

Step-by-step explanation:

The last one is dividing.

5 0

3 years ago

Read 2 more answers

The function f(n) = 500(.85) n

Alex777 [14]

You're really seeing this problem in elementary school? Wow.

<span>The function f(n) = 500(.85) n
Represents the amount of money left in Jennifer's bank account after in years. At what rate is the amount of money in her account changing increasing or decreasing and at what rate

This problem involves exponentiation: f(n) = 500 (0.85)^n, where the
symbol " ^ " denotes exponentiation. f(n) = 500 (0.85) n is all multiplication and thus is not correct.

That 0.85 is the base of an exponential function, and n is the exponent.
Because this base is between 0 and 1, the function f(n) is DECREASING.

What do you think the rate is?</span>

7 0

3 years ago

A high-tech company wants to estimate the mean number of years of college education its employees have completed. A sample of 15

valentinak56 [21]

Answer:

$4 - 2.14 \frac{0.7}{\sqrt{15}}=3.61$

$4 + 2.14 \frac{0.7}{\sqrt{15}}=4.39$

The 95% confidence interval is given by (3.61;4.39)

Step-by-step explanation:

Notation and definitions

n=15 represent the sample size

$\bar X=4$ represent the sample mean

$s=0.7$ represent the sample standard deviation

m represent the margin of error

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

Calculate the critical value tc

In order to find the critical value is important to mention that we don't know about the population standard deviation, so on this case we need to use the t distribution. Since our interval is at 95% of confidence, our significance level would be given by $\alpha=1-0.95=0.05$ and $\alpha/2 =0.025$ . The degrees of freedom are given by: